DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works

Transaction details

API

Transaction action

BARANGAY MAYON, DARAGA, ALBAY Award a ₱99.9K contract to JELK CONSTRUCTION & SUPPLYBarangays

Transaction hash:

c4f99ccee200e4fafb2e4aef361e9c895544c9db244a24ccf7deb7c764c4fc89

Status:

Included and unchanged

Block:

#1,412 4,601 blocks after it

Position in block:

Transaction 46 of 63

Award day:

Mar 27, 2012 (14 yrs 7 mo ago)

From:

BARANGAY MAYON, DARAGA, ALBAY

To:

JELK CONSTRUCTION & SUPPLY

Value:

₱99,900.00

Project:

Road Concreting going to Elementary School

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

BARANGAY MAYON, DARAGA, ALBAY

Accountable officer:

Not stated in the source. PhilGEPS does not publish who certified the award.

Certification:

Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.

Demo signature:

Block #1,412 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5

1. Appropriation
GAA line item · Sec. 5(b)
The award does not say which budget line pays for it.
Not published
2. Allotment release
SARO / allotment · Sec. 5(c)(iii)
Not published per project. DBM releases SAROs, but not linked to individual contracts.
Not published
3. Cash allocation
Notice of Cash Allocation · Sec. 5(c)(iv)
Not published per project.
Not published
4. Contract award
Notice of Award (PhilGEPS) · Sec. 5(d)
BARANGAY MAYON, DARAGA, ALBAY awarded it to JELK CONSTRUCTION & SUPPLY on 2012-03-27.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
No matching DPWH contract record (only DPWH contracts are listed with progress).
Not published
6. Payment
Disbursement voucher · Sec. 5(c)(viii)
Not published. No public source shows how much of this contract has been paid.
Not published
7. Completion
Certificate of completion · Sec. 5(d)
No completion certificate published.
Not published
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

1 of 8 documents found, 0 partly. Under CADENA every step would be published within 7 working days and linked to this record.

Tamper test: try changing this record

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

Contract amount (₱)

1. Record fingerprint changed
stored c4f99ccee2…c4fc89now …
2. Block Merkle root changed
stored a280667340…19510bnow …
3. Block #1412 hash changed
stored 21e37e506e…a91cd3now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 62 records. Each step hashes the current value together with the sibling shown.

leaf c4f99ccee200e4fafb2e4aef361e9c895544c9db244a24ccf7deb7c764c4fc89
01 R d39fab3da0dc0e14f1a782640474bd99a3fd9ba4a86671bca99202e4146fdb94
02 L 9f6763062964edf37f46fb05055777192f3e2d291900f138983af7870ce000ec
03 L c679dbba4e0fba071d037cabd5472b3e3943d0d7e6e79f781bcc71b2eacea8bb
04 L 7dd9951b845d6717d6b41c1b3cf51aa52ac9363f8b3b9c83edbf1120635f5985
05 R 4c68495c1d06a88814e8b541cf43d3b8bba2ce8da1888b6b5c8baebd5115e644
06 L 60480d4827234cc8d6a8e806ba0727b26a11fc129c3a1036214064eb7cc51ee6
root a28066734036ac94b17e53ec6cc2f16e9030a60663a9ea758370c300ff19510b